ray makes his living writing and directing feature films such as 2009's critically acclaimed "city island." but he also has a passion for preserving documentaries. particularly his father's. >> the loss of documentary film if it's not preserved is the most, you know, is the saddest loss because it's history. how do you preserve these? in the case of my dad's films, i thought we had the only copies of them. i was determined they had to be preserved. first i donated them to the museum of broadcasting. >> but ray didn't feel that was enough. he wanted his father's work to be seen and appreciated by new audiences. so he posted the mississippi film on his blog where anyone could watch it. >> and almost instantly, my producing partner david zelerford said this is an extraordinary movie and who is this guy, booker wright? >> sitting in his office, he said he immediately saw a potential for a new film. one that would finish booker's story. >> he mentions his children in the film, and i said to raymond, i said we have to go find out what happened with booker and his children. >> we started doing r